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NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Catalog of Images

5900 thumbnail picture
Tower with signal
Philippine Islands 1926?
5901 thumbnail picture
239-foot tower built on Bugsuk Island in southwest Philippines. This tower was built completely from native timber cut on location. It took 19 men off the PATHFINDER three weeks to build this signal. This was the largest wooden tower ever built by the C&GS. Used for both observing and as a signal
5902 thumbnail picture
Using a day marker as a tower. Photo#1 of sequence
Florida, Lake Okeechobee 1924
5903 thumbnail picture
Observing angles from the top of the day marker. Photo#2 of sequence
Florida, Lake Okeechobee 1924
5904 thumbnail picture
Tower built around tree in the Philippine jungle.
Philippine Islands
5905 thumbnail picture
Triangulation station built in shoal water. Combined operations party of Hubert A. Paton
Near Jacksonville, Florida 1934
5906 thumbnail picture
Tower built around a tree trunk.
Near Logan, West Virginia 1934?
5907 thumbnail picture
Station Plainview in eastern Montana. Triangulation party of Wilbur Porter
Montana, Eastern June 28, 1934
5908 thumbnail picture
Station Cook - tower had to be built after error by reconnaissance man. Triangulation party of Wilbur Porter
Powder River County, Montana 1934
5909 thumbnail picture
Hecht was the observer at this station in North Dakota. Small wooden observing stand. Triangulation party of Wilbur Porter
Near Mandan, North Dakota 1934
5910 thumbnail picture
103-foot light stand at Station Red Cloud.
Webster County, Nebraska 1934
5911 thumbnail picture
Climbing a small tower at Station Pinnacle. Providing horizontal control survey for aerial photography of King County
Washington, King County 1937
5912 thumbnail picture
Pole tower built from native timber at Takhini West Base. Note signal flag on tree. Triangulation party of F. B. Quinn
Alaska 1943
5913 thumbnail picture
Tower at Station Indian covered with ice and frost. Station is just below the Arctic Circle. Triangulation party of Walter R. Helm
Near Hughes, Alaska 1954
5914 thumbnail picture
Small wooden stand on ridge in Mojave Desert. Station built during observations on Transcontinental Traverse work. Triangulation party of Woodrow Johnson
West of Parker, Arizona 1972
5915 thumbnail picture
Early steel gas pipe tower built by the Lake Survey.
1903
5916 thumbnail picture
The first picture of a Bilby portable steel tower under construction. Bilby towers were made of prefabricated steel parts that could be reused. These towers were designed by Jasper Bilby, chief signalman of the C&GS
Minnesota 1927
5917 thumbnail picture
The first picture of a completed Bilby tower. Bilby towers were made of prefabricated steel parts that could be reused. These towers were designed by Jasper Bilby, chief signalman of the C&GS
Minnesota 1927
5918 thumbnail picture
Using Bilby towers for hydrographic signal on the Florida coast. Built by party off of HYDROGRAPHER
West coast of Florida 1928
5919 thumbnail picture
Bonita tower in southwest Florida. Traverse party measuring distance in foreground. Party off of HYDROGRAPHER
West coast of Florida 1928
5920 thumbnail picture
A 90-foot Bilby tower wrecked by a storm. Triangulation party of Earl O. Heaton
Near Chariton, Iowa 1928
5921 thumbnail picture
Tower at Station Schnackenburg.
5922 thumbnail picture
Building Station Reid. Triangulation party of Paul A. Smith
Near Shreveport, Louisiana 1930
5923 thumbnail picture
Power source for hoisting steel. Jack up truck and use "fifth wheel". This could be dangerous - at least one leg broken by getting wrapped up. Safety modifications made to system after individual severely injured. Triangulation party of Paul A. Smith
1931
5924 thumbnail picture
Preparing to dismantle Station Village Mills South Base. Triangulation party of Paul A. Smith
Texas, Hardin County 1931
5925 thumbnail picture
Climbing the tower at Station Walting. On the Ohio-Indiana boundary. Triangulation party of H. C. Warwick
Wayne County, Indiana 1932
5926 thumbnail picture
Straightening steel - even the portable towers needed some maintenance. Triangulation party of C. D. Meaney
United States East Coast 1932
5927 thumbnail picture
A study in geometry - looking up a Bilby tower. Station South Bend, Louisiana. Triangulation Party of Eugene R. McCarthy
St. Mary Parish, Louisiana 1933
5928 thumbnail picture
50-foot Bilby tower in Nebraska or Montana. Triangulation party of Wilbur Porter
Midwestern United States 1934
5929 thumbnail picture
Looking down from the top of a 50-foot tower. Triangulation party of Wilbur Porter
Midwestern United States 1934
5930 thumbnail picture
Looking up the side of a 50-foot tower. Triangulation party of Wilbur Porter
Midwestern United States 1934
5931 thumbnail picture
Tower with observing tent to shield the instrument from the wind. Triangulation party of Wilbur Porter
Midwestern United States 1934
5932 thumbnail picture
Tower at Station Bowie.
Louisiana, Lafourche Parish, 1934
5933 thumbnail picture
Collimating the inner tower at Station Winnie. Collimation involved placing the observing instrument directly over the mark. Triangulation party of Carl I. Aslakson
Itasca County, Minnesota August 21, 1934
5934 thumbnail picture
Lightkeeper orienting lights for distant observers. Tower at Station Northome. Osborne at lights, Caouette recording, Tryon at tent. Triangulation party of Carl I. Aslakson
Minnesota, Koochiching County 1934
5935 thumbnail picture
Tower at Station Eufaula.
Alabama, Eufaula 1943
5936 thumbnail picture
Tower at Station Northome. Caouette on left, Osborn on right, Tryon observing. Triangulation party of Carl I. Aslakson
Minnesota, Koochiching County 1934
5937 thumbnail picture
Tower at Station Winnie next to firetower. Triangulation party of Carl I. Aslakson
Itasca County, Minnesota 1934
5938 thumbnail picture
Photos # 5-7 show stages in completing a 50-foot tower at Station Tatum. Photo #8 shows theodolite being transported to top of tower. Triangulation party of Wilbur Porter. Photos # 5-8 of sequence
Lea County, New Mexico February 11, 1935
5939 thumbnail picture
Station Weingard near Amarillo. Triangulation party of Wilbur Porter
Near Amarillo, Texas 1935
5940 thumbnail picture
Photos #1-4 show beginning of construction of 50-foot tower at Station Tatum. Triangulation party of Wilbur Porter. Photos 1-4 of sequence
Lea County, New Mexico 1935
5941 thumbnail picture
Observing party on 103-foot tower in Missouri. Triangulation party of Carl I. Aslakson
Missouri Ozarks 1935
5942 thumbnail picture
Station Hunter - 159 feet - one of the bigger towers. Photo #2 of sequence. Triangulation party of Kenneth Crosby
1935
5943 thumbnail picture
A 159-foot tower. Note men on top and man climbing up
1935?
5944 thumbnail picture
Building the tower at Station Hunter. Photo #1 of sequence. Triangulation party of Kenneth Crosby
1935
5945 thumbnail picture
Tower at Loma Prieta, Santa Cruz Mountains, covered with ice. Triangulation party of Lorne G. Taylor
Loma Prieta, California 1951
5946 thumbnail picture
Tower built with native timber.
Alaska 1955?
5947 thumbnail picture
Bilby tower built on oil rig south of New Orleans.
Gulf of Mexico 1955
5948 thumbnail picture
Tower at Station Whitsett destroyed by wind. Triangulation party of E. O. Heaton
Texas, Deaf Smith County 1921
5949 thumbnail picture
A rough ride down. Drove his head right into the ground. Photo #1 of sequence

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Last Updated:
November 10, 2017